.main{
    width: 100%;
}
.main-box{
    width: 1200px;
    margin: 0 auto;
}

/* 顶部按钮 */
.contant-btn{
    margin-top: 20px;
}
.contant-btn ul{
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #f3f5f3;
}
.contant-btn ul li{
    margin: 0 6px;
    padding: 10px 0;
}
.contant-btn ul li button{
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    font-size: 16px;
    background-color: #EEEEEE;
}
.contant-btn ul li button:hover{
    transition: 0.3s;
    background-color: #8DAE66;
    color: #EEEEEE;
}

/* 内容部分 */
.history h1{
    margin: 50px 0 30px 0;
    text-align: center;
    font-size: 28px;
    font-weight: 500;
}
p{
    text-indent: 2em;
    font-size: 18px;
    line-height: 30px;
    margin: 5px 0;
}
.history-01{
    width: 1000px;
    margin: 30px auto;
}
.history-01 img{
    width: 1000px;
}
.history-02{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
}
.history-03{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}
.history-04{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}
.history-04 p{
    text-indent: 0em;
}
.history-05{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}
.history-05 h2{
    margin: 10px 0;
    font-size: 24px;
    font-weight: 500;
}
.history-05 img{
    width: 300px;
    height: 200px;
}
.history-06{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
}
.history-06 p{
    text-align: left;
}

.history-07{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}

.history-08{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
}
.history-08 img{
    width: 300px;
}
.history-08 p{
    text-align: left;
}

.history-09{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
}
.history-09 p{
    text-indent: 0em;
}

.history-10{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}
.history-10 img{
    width: 300px;
}
.history-10 p{
    text-indent: 0em;
}

.history-11{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}
.history-11 img{
    width: 300px;
    height: 250px;
}
.history-11 p{
    text-indent: 1em;
}

.history-12{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}
.history-12 img{
    width: 300px;
    height: 230px;
}
.history-13{
    width: 1000px;
    margin: 30px auto;
    text-align: center;
    font-size: 0;
}
.history-13 img{
    width: 300px;
    height: 230px;
}